PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2658Nut,plain,hexagon

Telemechanics Inc · NSN 5310-00-268-7519 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-268-7519 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-268-7519. Primary manufacturer part number: 2658.
Features
  • Nut,plain,hexagon — FSC 5310
  • Width Across Flats: 0.250 INCHES NOMINAL IN
  • Bearing Surface Type: CHAMFERED
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 32
  • Nominal Thread Size: 0.138 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Surface Treatment: NICKEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-268-7519, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-268-7519
Primary Part Number2658
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Width Across Flats0.250 INCHES NOMINAL IN
Bearing Surface TypeCHAMFERED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch32
Nominal Thread Size0.138 INCHES IN
Thread DirectionRIGHT-HAND
Surface TreatmentNICKEL OVERALL
Nut StyleHEXAGON
Nut Height0.094 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Thread Class3B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4820-00-146-1952103903-1 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Rtx Corporation Div Pratt & Whitney
5950-00-265-5618 INTERCHANGEABLE
Coil,radio Frequency
5130-00-674-9212 INTERCHANGEABLE
Bit,screwdriver
5325-00-839-94062658 INTERCHANGEABLE
Receptacle,special
Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
5970-00-841-3026 INTERCHANGEABLE
Insulation Sleeving,electrical
5930-01-166-71425190438 INTERCHANGEABLE
Switch,rotary
Naval Sea Systems Command
5305-01-288-6575 INTERCHANGEABLE
Screw,cap,hexagon Head
5306-01-292-99039-086-100534 INTERCHANGEABLE
Bolt,machine
Grove U.s. Llc Dba Grove Us Llc
6680-01-331-19232658 INTERCHANGEABLE
Tachometer Package
Auto Meter Products Inc.
5136-01-431-6479 INTERCHANGEABLE
Tap Set,thread Cutting
Cross-Reference Index
Part NumberManufacturer
2658 PRIMARY Telemechanics Inc (USA)
Related Parts
4820-00-146-1952INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
103903-1
5950-00-265-5618INTERCHANGEABLE
COIL,RADIO FREQUENCY
5130-00-674-9212INTERCHANGEABLE
BIT,SCREWDRIVER
5325-00-839-9406INTERCHANGEABLE
RECEPTACLE,SPECIAL
2658
5970-00-841-3026INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5930-01-166-7142INTERCHANGEABLE
SWITCH,ROTARY
5190438
5305-01-288-6575INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5306-01-292-9903INTERCHANGEABLE
BOLT,MACHINE
9-086-100534
6680-01-331-1923INTERCHANGEABLE
TACHOMETER PACKAGE
2658
5136-01-431-6479INTERCHANGEABLE
TAP SET,THREAD CUTTING

Frequently Asked Questions

What is NSN 5310-00-268-7519?

NSN 5310-00-268-7519 is a Nut,plain,hexagon, manufactured by Telemechanics Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-268-7519?

NSN 5310-00-268-7519 has 1 cross-referenced part number: 2658 (Telemechanics Inc).

What NSN replaces 5310-00-268-7519?

There are 10 known substitutes for 5310-00-268-7519: 4820-00-146-1952, 5950-00-265-5618, 5130-00-674-9212 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2658?

Key specifications for 2658: Width Across Flats: 0.250 INCHES NOMINAL IN; Bearing Surface Type: CHAMFERED; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 32. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-268-7519 still in active supply?

NSN 5310-00-268-7519 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com